PDF static analysis report

Static analysis result for SHA-256 6d2ffbb3736ac5a1…

SUSPICIOUS

PDF

36.8 KB Created: 2021-05-22 21:18:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: b6645d4fda76559b6d2f6a469a98dbc4 SHA-1: 50a6a10958957b37a17197e1d8f7b699b8a88535 SHA-256: 6d2ffbb3736ac5a1b7b86924cc340763fd6b6232a6134fa13083274d48989171
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and text lures related to 'Free Robux' and game hacks, indicating a phishing or scam attempt. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs and the document's content strongly suggest it's designed to trick users into downloading further malicious content, likely related to the 'free robux' lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

Heuristics 3

  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/431946152/free-robux-no-verification-needed-game-hack PDF link annotation
    • http://www.gzsuihe.com/Public/upload/editorfiles/free-robux-master_GM431946152.pdfIn PDF document text
    • http://www.gzsuihe.com/Public/upload/editorfiles/free-roblox-hair-codes_GM431946152.pdfIn PDF document text
    • http://www.gzsuihe.com/Public/upload/editorfiles/roblox-rules_GM431946152.pdfIn PDF document text
    • http://www.gzsuihe.com/Public/upload/editorfiles/best-tricks-co-robux_GM431946152.pdfIn PDF document text
    • http://www.gzsuihe.com/Public/upload/editorfiles/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003214.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3214 25684 bytes
SHA-256: c1f190da57b8708bede04cdfb12bd4b5f0275afa2adb42f25b422016dd4a093f
font_01_sfnt_off00006cc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CC5 18776 bytes
SHA-256: d142001b9e8124b93d34dd5eb493ac1502906b177ba9fa7077e4038994baf40d

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